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Study o nthe Colony Variation of Wheat Root Rot Bipolaris sorokiniana

机译:小麦根腐双极化菌菌落菌落变化的研究

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Wheat root rot Bipolaris sorokiniana, one of the most serious diseaes, damages not only the wheat root but also the leaves and spikes, causing wheat rot rot during the seedling stage, leave spot and black embryo during the adult stage. Ma Qixiang and Zhang Junhua have studied the biological characteristics and the pathopoiesia capacity fo this germ. They found that on PSA substratum this germ could produce colony variation. But no systematic reports have been found yet about the germ's changes of growth properties and its pathopoiesia capacity after variation. We have studied al kinds of changes of colony after variation. The experiment rsults are reported as follows.
机译:小麦根腐病Bipolaris sorokiniana是最严重的病害之一,不仅损害小麦根茎,而且损害叶片和穗状花序,在幼苗期引起小麦腐烂,成年期留下斑点和黑胚。马其祥和张俊华已经研究了该细菌的生物学特性和致病能力。他们发现在PSA基质上,这种细菌可能产生菌落变异。但是尚未发现有关细菌生长特性的变化及其变异后的致病能力的系统报告。我们研究了变异后殖民地的各种变化。实验结果报告如下。

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